MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 763274b395cc1739f46d347ae81974968e37e98dfcd965c7b4dd348dafc6b3f1. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 763274b395cc1739f46d347ae81974968e37e98dfcd965c7b4dd348dafc6b3f1
SHA3-384 hash: a95890c797bc22d9716b93c154d8d0cd70616dbe485ae40a8a28ec65d9d565831c382d6d2542b45d5e8ea5131aa0e27c
SHA1 hash: 367be93de45b38c600f981b3e3805e8465e51044
MD5 hash: 9d01d8409be79401c9d63dad60701c1b
humanhash: white-shade-harry-xray
File name:Dzyjwjw.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:217'600 bytes
First seen:2022-03-02 13:03:26 UTC
Last seen:2022-03-03 06:36:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:pycg4Rc89jkuV+uoVoA/U5v9eUXT/zPLXpqtqEIdzS4svj7WzEJbB:pPtxh0VqBoU3LAzB
Threatray 20'700 similar samples on MalwareBazaar
TLSH T1DA24D8D2F11046EDFC6A177264171C9219932CBEE6B9D15C70FA32236BF72A3402A95F
File icon (PE):PE icon
dhash icon 068f0b2a2b363f06 (19 x SnakeKeylogger, 8 x AgentTesla, 8 x MassLogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Dzyjwjw.exe
Verdict:
Malicious activity
Analysis date:
2022-03-03 04:03:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/15403827-e834-488d-9525-c450865813b4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/246295/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
DNS request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/621f6b490cd58dbd9262ba24/reports/47bc41c4-9e31-4eb8-ae1c-9648e391776c/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/85b18615-2165-4222-890d-0213db958cb8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/949103
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Encrypted powershell cmdline option found
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicious Remote Thread Created
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 581584 Sample: Dzyjwjw.exe Startdate: 02/03/2022 Architecture: WINDOWS Score: 100 52 store-images.s-microsoft.com 2->52 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->64 66 9 other signatures 2->66 9 Dzyjwjw.exe 16 7 2->9         started        14 Cnirc.exe 14 3 2->14         started        16 Cnirc.exe 2->16         started        signatures3 process4 dnsIp5 54 cdn.discordapp.com 162.159.129.233, 443, 49768 CLOUDFLARENETUS United States 9->54 46 C:\Users\user\AppData\Roaming\...\Cnirc.exe, PE32 9->46 dropped 48 C:\Users\user\...\Cnirc.exe:Zone.Identifier, ASCII 9->48 dropped 50 C:\Users\user\AppData\...\Dzyjwjw.exe.log, ASCII 9->50 dropped 72 Encrypted powershell cmdline option found 9->72 74 Writes to foreign memory regions 9->74 76 Allocates memory in foreign processes 9->76 78 Injects a PE file into a foreign processes 9->78 18 powershell.exe 9 9->18         started        20 MSBuild.exe 2 9->20         started        56 162.159.130.233, 443, 49835 CLOUDFLARENETUS United States 14->56 80 Multi AV Scanner detection for dropped file 14->80 82 Machine Learning detection for dropped file 14->82 23 powershell.exe 8 14->23         started        58 162.159.134.233, 443, 49836 CLOUDFLARENETUS United States 16->58 25 powershell.exe 16->25         started        file6 signatures7 process8 signatures9 27 conhost.exe 18->27         started        30 cmd.exe 1 18->30         started        68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->70 32 cmd.exe 23->32         started        34 conhost.exe 23->34         started        36 cmd.exe 25->36         started        38 conhost.exe 25->38         started        process10 signatures11 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 27->84 86 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 27->86 40 timeout.exe 1 30->40         started        42 timeout.exe 32->42         started        44 timeout.exe 36->44         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/763274b395cc1739f46d347ae81974968e37e98dfcd965c7b4dd348dafc6b3f1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-02 09:56:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oyzhjm4vzqltt5dngr5oqglus2hdp2mn7tmwlr5u3u2i3l6gwpyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
280d235d438c2e7975548f56d6816f9e6fa08c3fe55f5b250734a15bc8f9edc7
AgentTesla
3146451b8705dcf7a850cea01e3e68513448d9f92212129162e8c5d80ff1020e
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4459eadaedeb2d28fb3563d00c6ce586d56e0c8da85e2a62160b8662c73364b8
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4e8c8f98c455a5b6e02cecb44c4239f6173116d8ea694f1bc087db7c3dcdd48c
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6cbcd72f2018860c0689f478f33ca9b869fe5b81996ca78ef7e62ad47256ad2d
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9073b386f1f565170aec8f8f021363f72d4230f35c130ccebb9d72ba82550d50
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a0ebed655c76dc37cf93b62042263ae665d39a03a5470a6c6d5cc962541da75d
AgentTesla
a2426979e333a461d082c90eae873f236b7a82fcf08819404d2f99a3e867c450
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dc0bb1affde30f46b6b94f0ca7285a71db7050d1e1fef42e3d4af86e5fe23c88
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f663110aed2d5fdecf27fba39beabc90e72397d4fd661f381d1767aac3cf4438
AgentTesla
+ 20'690 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220302-qaywmsgfen/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
763274b395cc1739f46d347ae81974968e37e98dfcd965c7b4dd348dafc6b3f1
MD5 hash:
9d01d8409be79401c9d63dad60701c1b
SHA1 hash:
367be93de45b38c600f981b3e3805e8465e51044
Link:
https://www.unpac.me/results/492ab746-8782-46b6-965f-5c6474fb6209/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/763274b395cc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/763274b395cc1739f46d347ae81974968e37e98dfcd965c7b4dd348dafc6b3f1

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 763274b395cc1739f46d347ae81974968e37e98dfcd965c7b4dd348dafc6b3f1

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/246295/

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